MRC:
The length of a straight line which passes through the center of a hole,and terminates at the circumference.AAUB
Hole Diameter:
3.980 inches
MRC:
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.ABKV
Outside Diameter:
Between 4.295 inches and 4.305 inches
External Straight Key Width:
0.230 inches
Overall Distance Including Keys:
4.560 inches
MRC:
A measurement of the smallest dimension of the material,in distinction from length or width.ABPX
Material Thickness:
Between 0.122 inches and 0.128 inches
MRC:
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM
Hardness Rating:
Between 36.0 rockwell c and 40.0 rockwell c
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 4130
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL
Material Specification:
Mil-s-18729, cond a military specification single material response
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Key